RIPPER - BULLDOSER Russian patent published in 2009 - IPC E02F3/76 

FIELD: construction, road engineering.

SUBSTANCE: invention is related to construction and road machine building, in particular, to machines of ripper-bulldoser type for working of strong natural grounds, especially in mountain conditions. Ripper-bulldoser includes basic machine and straightdozer blade with teeth installed on it, which is hingedly connected by means of pusher bars and lifting-lowering cylinders with basic machine, braces that connect pusher bars with blade in longitudinal direction. Braces are arranged in the form of double-sided independently controlled hydraulic cylinders installed at the angle to pusher bars and connected with pusher bars with the help of spherical hinges. Ripper-bulldoser is equipped with at least two independently-controlled hydraulic cylinders hingedly fixed on back wall of blade, stems of which are arranged with one or more support plate or plates, and braces that hingedly connect pusher bars with blade. At that hinges that connect blade with pusher bars, braces and lifting-lowering cylinders are located on single common horizontal axis parallel to cutting edge of blade.

EFFECT: provision of additional power impact at worked ground in direction close to its least strength - for separation off massif.

2 cl, 2 dwg